:root{--bg: #08080a;--bg-elev: #0f0f12;--bg-elev-2: #16161b;--border: #232329;--border-soft: #1a1a20;--text: #e8e8ec;--text-muted: #9ca3af;--text-dim: #6b7280;--accent: #22d3ee;--accent-dim: #0e7490;--accent-bg: rgba(34, 211, 238, .08);--success: #34d399;--warning: #fbbf24;--danger: #f87171;--radius: 12px;--radius-sm: 8px;--font-sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;color-scheme:dark}[data-theme=light]{--bg: #f7f9fc;--bg-elev: #ffffff;--bg-elev-2: #f1f5f9;--border: #d4dae2;--border-soft: #e3e8ef;--text: #0f172a;--text-muted: #475569;--text-dim: #94a3b8;--accent: #0891b2;--accent-dim: #155e75;--accent-bg: rgba(8, 145, 178, .08);--success: #059669;--warning: #d97706;--danger: #dc2626;color-scheme:light}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}#root{min-height:100vh;display:flex;flex-direction:column}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font-family:var(--font-sans);cursor:pointer;border:1px solid var(--border);background:var(--bg-elev);color:var(--text);padding:8px 14px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;transition:all .15s ease}button:hover:not(:disabled){border-color:var(--accent);background:var(--accent-bg)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);color:#08080a;border-color:var(--accent);font-weight:600}button.primary:hover:not(:disabled){background:var(--accent-dim);border-color:var(--accent-dim)}button.danger{color:var(--danger);border-color:var(--danger)}button.danger:hover:not(:disabled){background:#f871711a}input,textarea,select{font-family:var(--font-sans);background:var(--bg-elev);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;font-size:14px;width:100%;outline:none;transition:border-color .15s ease}input:focus,textarea:focus,select:focus{border-color:var(--accent)}textarea{resize:vertical;min-height:80px;line-height:1.5;font-family:var(--font-sans)}code,pre,.mono{font-family:var(--font-mono)}.container{max-width:1100px;margin:0 auto;width:100%;padding:0 16px}.app-header{position:sticky;top:0;z-index:50;background:#08080ad9;backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border-soft)}[data-theme=light] .app-header{background:#f7f9fcd9}.app-header__inner{display:flex;align-items:center;gap:16px;padding:12px 0;flex-wrap:wrap}.app-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px}.app-brand__logo{width:32px;height:32px;display:inline-flex}.app-brand__name{background:linear-gradient(135deg,var(--accent),var(--accent-dim));-webkit-background-clip:text;background-clip:text;color:transparent}.app-nav{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}.app-nav button{border:none;background:transparent;color:var(--text-muted);padding:8px 12px;font-size:14px;border-radius:var(--radius-sm)}.app-nav button.active{background:var(--accent-bg);color:var(--accent)}.app-nav button:hover:not(.active){color:var(--text)}.header-actions{display:flex;gap:8px;margin-left:8px}.icon-btn{width:36px;height:36px;padding:0;display:inline-flex;align-items:center;justify-content:center;font-size:16px;border-radius:var(--radius-sm)}.app-main{flex:1;padding:24px 0 64px}.app-footer{border-top:1px solid var(--border-soft);padding:24px 0;font-size:13px;color:var(--text-muted);text-align:center}.hero{padding:24px 0 8px}.hero h1{margin:0 0 8px;font-size:clamp(24px,5vw,36px);font-weight:800;letter-spacing:-.02em}.hero h1 .gradient{background:linear-gradient(135deg,var(--accent),var(--accent-dim));-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{margin:0;color:var(--text-muted);max-width:720px}.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}.card h2{margin:0 0 4px;font-size:18px;font-weight:700}.card .description{color:var(--text-muted);font-size:14px;margin:0 0 16px}.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}.row>.field{flex:1 1 160px;min-width:0}.field label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:6px;font-weight:500;text-transform:uppercase;letter-spacing:.04em}.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 8px;border-radius:999px;font-size:11px;font-weight:600;background:var(--accent-bg);color:var(--accent);border:1px solid var(--accent);text-transform:uppercase;letter-spacing:.05em}.badge.warn{background:#fbbf241a;color:var(--warning);border-color:var(--warning)}.badge.success{background:#34d3991a;color:var(--success);border-color:var(--success)}.badge.danger{background:#f871711a;color:var(--danger);border-color:var(--danger)}.badge.muted{background:var(--bg-elev-2);color:var(--text-muted);border-color:var(--border)}.translation-output{background:var(--bg-elev-2);border:1px solid 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var(--border);border-radius:var(--radius-sm);padding:12px 14px;cursor:pointer;transition:all .15s ease}.phrase-card:hover{border-color:var(--accent);background:var(--accent-bg)}.phrase-card .text{font-size:15px;font-weight:500}.phrase-card .id{font-size:11px;color:var(--text-dim);font-family:var(--font-mono);margin-top:4px}.digest-bullets{list-style:none;padding:0;margin:0}.digest-bullets li{padding:8px 0;border-bottom:1px dashed var(--border);font-size:14px;line-height:1.5}.digest-bullets li:last-child{border-bottom:none}.findings{display:flex;flex-direction:column;gap:6px;margin-top:8px}.finding{display:inline-flex;align-items:center;gap:8px;padding:4px 10px;background:var(--bg-elev-2);border:1px solid var(--border);border-radius:6px;font-family:var(--font-mono);font-size:13px}.finding .tag{font-size:10px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px;margin-top:8px}.stat{background:var(--bg-elev-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px}.stat .label{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim)}.stat .value{font-size:20px;font-weight:700;font-family:var(--font-mono);margin-top:2px}.score-display{text-align:center;padding:16px;background:var(--bg-elev-2);border-radius:var(--radius-sm);border:1px solid var(--border);margin-bottom:16px}.score-display .num{font-size:32px;font-weight:800;font-family:var(--font-mono);color:var(--accent)}.quiz-feedback{padding:12px;border-radius:var(--radius-sm);margin:8px 0;border:1px solid}.quiz-feedback.correct{background:#34d39914;border-color:var(--success);color:var(--success)}.quiz-feedback.wrong{background:#f8717114;border-color:var(--danger);color:var(--danger)}.saved-list{display:flex;flex-direction:column;gap:8px}.saved-item{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;background:var(--bg-elev-2);border:1px solid var(--border);border-radius:var(--radius-sm)}.saved-item .text{font-size:14px;font-weight:500}.saved-item .meta{font-size:11px;color:var(--text-dim);font-family:var(--font-mono)}.tabs{display:flex;gap:4px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:4px}.tabs::-webkit-scrollbar{display:none}.tab{white-space:nowrap;padding:8px 14px;border-radius:var(--radius-sm);background:transparent;color:var(--text-muted);border:1px solid transparent;font-size:14px;font-weight:500}.tab.active{background:var(--accent-bg);border-color:var(--accent);color:var(--accent)}.divider{height:1px;background:var(--border-soft);margin:16px 0;border:0}.speak-button{width:80px;height:80px;border-radius:50%;background:var(--accent);border:none;color:#08080a;font-size:28px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s ease;position:relative}.speak-button.listening{background:var(--danger);color:#fff;animation:pulse 1.5s infinite}.speak-button:disabled{opacity:.5;cursor:not-allowed;background:var(--border)}@keyframes pulse{0%,to{box-shadow:0 0 #f8717180}50%{box-shadow:0 0 0 18px #f8717100}}.app-section{animation:fadein .25s ease}@keyframes fadein{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 640px){.app-brand .tagline-mini{display:none}.app-nav{width:100%;order:3}.header-actions{margin-left:auto}.container{padding:0 12px}.card{padding:16px}.phrasebook-grid{grid-template-columns:1fr}}